Eight-claw executing mechanism applied to weed-eradicating robot

An actuator and robot technology, applied in the field of agricultural robots, can solve the problems of cam meshing interference and only one weeding shovel tooth can be controlled, and achieve the effects of continuous weeding action, easy control and manipulation, and simple and flexible operation.

Inactive Publication Date: 2009-07-22
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main problem of this patent is that only one weeding shovel tooth can be controlled at the same time, and interference may occur when the cam engages

Method used

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  • Eight-claw executing mechanism applied to weed-eradicating robot
  • Eight-claw executing mechanism applied to weed-eradicating robot
  • Eight-claw executing mechanism applied to weed-eradicating robot

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Embodiment Construction

[0011] The spindle turntable system includes a spindle 26, a turntable 18, a key 15, a shaft end retaining ring 17, a bolt 16, a sleeve 13 with a spiral guide rail 28, and a limit stop 11. The main shaft 26 is supported by a rolling bearing 27, and the turntable 18 passes through the key 15. It is connected to the main shaft and is positioned axially through the shaft end retaining ring 17 and the bolt 16. Eight sleeves 13 with helical guide rails are fixed on the turntable 18 .

[0012] The cutter shaft system includes cutter 14, rotating shaft 10 with stop ring, limit pin 12, axial bearing 3, 8, bolt 1, shaft end retaining ring 2, T-shaped sleeve 5, radial bearing 4, cutter Knife links to each other with rotating shaft 10 by bolt, and rotating shaft is in the sleeve 13 that links to each other with rotating disk, and limit pin 12 passes through rotating shaft 10 and engages with the helical guide rail of sleeve 13. The rotation angle of the rotating shaft 10 is determined b...

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Abstract

The invention relates to the field of agricultural robots, in particular to an eight-claw actuating mechanism for a weeding robot, which comprises a shell, a rail changing sliding block system, a main shaft turntable system, and eight sets of stick bite shaft systems, wherein the stick bite shaft system rotates along with the main shaft turntable system, and the rail changing sliding block overcomes a compression spring and is lift up under the action of an upward external force so as to connect an upper side rail and a lower side rail. Every time one set of the stick bite shaft system rotates to one side of a plant row, the shaft system drives a rotating shaft to move downwards under the action of the rail pressure, and rotates under the limiting actions of a sleeve guide rail and a limit pin which are connected with the turntable system simultaneously, so that the stick bite externally extends into in-row plants to finish weeding motions. The eight-claw actuating mechanism has the advantages of controlling a plurality of sets of the stick bites to extend to the outside to perform plant inter-row weeding simultaneously and ensuring the coverage factor of inter-plant intervals. Besides, the eight-claw actuating mechanism has the advantages of continuous weeding motions, simple and flexible operation, and convenience for the weeding robot control and manipulate.

Description

technical field [0001] The invention relates to the field of agricultural robots, in particular to an eight-claw actuator applied to a weeding robot. Background technique [0002] In order to get rid of the heavy manual labor of weeding in the field and overcome the harm caused by chemical weeding methods, mechanized and intelligent weeding is called the direction of plant protection development. Among them, the removal of weeds between the plants in the row must be completed by an intelligent weeding robot. The weeding mechanisms seen at present, such as the rakes of companies such as Einbock Lely Rabe werk, the rotary weeder of Bezzerides company, the rotary hoe of Yetter company, the Danish spike weeder of Kongskilde company, etc., are all designed for mechanized weeding between rows, and cannot Used for weeding between plants in the row. A few devices that face in-row weeding, such as Buddingh's tilt-to-rotating disc finger weeding mechanism, are only used in the seedl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01M21/02
Inventor 陈树人张朋举毛罕平尹建军刘继展胡建平
Owner JIANGSU UNIV
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